<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>视频元素</title>
</head>
<body>

<video  controls loop width="300px">
    <source src="video/b.mp4"></video>
</video>
<a href="../day02/超链接标签.html">超链接标签</a>
</body>
</html>